Java toUpperCase() Method

Java Character Class

The toUpperCase() method is used to convert lowercase characters to uppercase.

Syntax

char toUpperCase(char ch)

Parameters

• ch-- The character to be converted.

Return Value

Returns the uppercase form of the converted character, if any; otherwise, returns the character itself.

Example

public class Test {

    public static void main(String args[]) {
        System.out.println(Character.toUpperCase('a'));
        System.out.println(Character.toUpperCase('A'));
    }
}

The execution result of the above program is:

A
A

Java Character Class